![]() ![]() So pay a consulting fee or buy a case of beer or a jug of hooch for a licensed local electrician to line out your project for you. You want to pass your inspection first time around but without spending more money and time than you have to. ![]() You’ll need to use 4 AWG wire if the distance between the breaker. However, the distance will influence the conductor’s ability to carry those 95 amps safely. For instance, 4AWG will carry 95 amps regardless of whether it covers 50 or 100 feet. Technically speaking, the distance cannot change a wire’s amp rating. Electricians use these wires when there’s significant space between the circuit breaker panel and electrical equipment (such as air conditioners), which is common in large commercial buildings. Things To Consider To Choose Perfect Ground Wire Size For 100-Amp Service. Conduit Size: A 1 1/4-inch conduit can be best if you run a single 3/0 AWG copper wire or a single 2/0 AWG aluminum wire. Most 100-amp service panels require 2 AWG wire. copper wires in the sizes of 3/0 AWG or 2/0 AWG are used. You need good advice before making electrical mods. Wire Size: The system used by your house and the distance from the main pane and subpanel help to get the accurate wire size for a 100 Amp subpanel. ![]() My friends here in PM wish you well and would never knowingly mislead you but few of us (including me) are electrical professionals. While this is presented in tables, an informed judgement is still required. OTH a 100 Amp service is defined by the breaker and the conductors it feeds have to meet code requirements for Ampacity, conduit fill, insulation, placement in construction, max ambient air temp, and other factors. In electrical practice the overcurret protection is intened to protect the conductors it feeds not the power consuming equipment. #4 may be technically adequate for your immediate application for a 100 Amp service for equipment that's seldom run to capacity but when feeding a pump or a heater for example #4 may not be suitable. Look up accaptable ampacity in the NEC and your local code for your application. They're satisfactory in most situatations but not always suited to every application. Remember NEC and local code represents minimum standards. Then consider conductor size and conduit size. Some jurisdictions require upgrading of the branch circuit or sometimes even the whole system if any parts is sub-code. Maybe not in Wisconsin but certaily in warm climates. Many of our customers here at Wire & Cable Your Way are looking for electrical wire to service their new. Some jurisdictions have more stringent requirements for conductor ampacity and other electrical minutia. ![]()
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